Re: vent size for toilet

Posted by hj on May 29, 2003 at 22:06:36:
In response to Re: vent size for toilet
Yes, no, or maybe. It depends on how the system is installed and your code. If your main sewer is 4" you may need a 4" vent or enough smaller ones to equal the area of a 4" pipe. If you already have an adequate number or are close then you may be able to get by with a 2" vent. And if the main line is 3" then you may need to have a 3" or the equivalent area. : Does the vent diameter for a toilet need to be equal to or greater than the waste line dia.

Posted by hj on May 29, 2003 at 22:06:36:

In response to Re: vent size for toilet

Yes, no, or maybe. It depends on how the system is installed and your code. If your main sewer is 4" you may need a 4" vent or enough smaller ones to equal the area of a 4" pipe. If you already have an adequate number or are close then you may be able to get by with a 2" vent. And if the main line is 3" then you may need to have a 3" or the equivalent area.

: Does the vent diameter for a toilet need to be equal to or greater than the waste line dia.

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